Question

La o cofetarie s-au adus 9 pachete a cate 8 prajituri , 8 pachete a cate 7 prajituri si inca 24 prajituri intr-un pachet 
Cate prajituri au ramas dupa ce s-au vandut 9 pachete a cate 7 prajituri si 5 pachete a cate 10 prajituri ?????

Answer 1

9x8=72
8x7=56
72+56+24=152(in total)
9x7=63
5x10=50
63=50=113(vandute)
152-113=39(prajituri ramase)

Answer 2

9x8=72
8x7=56
72+56+24=152primite
9x7=63
5x10=50
63+50=113vandute
152-113=39ramase